Gunma群馬県
Shouwa 昭和村
Data last updated:
Shouwa, Gunma, Japan has a population of 6,689 (2025 national census). IPSS projections estimate 6,327 by 2030 and 4,997 by 2050 (a decrease of about 28.1% from 2020), with the share of residents aged 65+ rising from 32.8% in 2020 to 39.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
6,689
2030
(Projection)
6,327
▼ -9.0%
2040
(Projection)
5,680
▼ -18.3%
2050
(Projection)
4,997
▼ -28.1%
Change vs. 2020 census
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Other municipalities in Gunma (群馬県)
Data Sources
- Portal Site of Official Statistics of Japan (e-Stat)（https://www.e-stat.go.jp/）
- National Institute of Population and Social Security Research (IPSS), Regional Population Projections (2023 ed.)
* This service uses the e-Stat API but its content is not guaranteed by the Japanese government.
Shouwa Population Table (1980–2050)
Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 1980 | 8,263 | ▲ +18.8% | Census |
| 1985 | 8,341 | ▲ +20.0% | Census |
| 1990 | 8,198 | ▲ +17.9% | Census |
| 1995 | 7,962 | ▲ +14.5% | Census |
| 2000 | 7,878 | ▲ +13.3% | Census |
| 2005 | 7,783 | ▲ +11.9% | Census |
| 2010 | 7,620 | ▲ +9.6% | Census |
| 2015 | 7,347 | ▲ +5.7% | Census |
| 2020 | 6,953 | — | Census |
| 2025 | 6,689 | ▼ -3.8% | Census |
| 2030 | 6,327 | ▼ -9.0% | Projection |
| 2035 | 6,002 | ▼ -13.7% | Projection |
| 2040 | 5,680 | ▼ -18.3% | Projection |
| 2045 | 5,340 | ▼ -23.2% | Projection |
| 2050 | 4,997 | ▼ -28.1% | Projection |
About Shouwa
Overview
Shouwa (昭和村) is a municipality in Gunma, Japan, with a population of 6,689 as of 2025.
Population Projection of Shouwa
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Shouwa's population is expected to reach 6,327 by 2030 (-9.0%), 5,680 by 2040 (-18.3%), and 4,997 by 2050 (-28.1%). A significant population decline is projected over the next three decades.
Aging Rate of Shouwa
The aging rate (percentage of residents aged 65 and over) is 32.8% as of 2020 and is projected to rise to 39.7% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Shouwa's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1116 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1286 out of 1903 nationwide.
- Population size: Ranked #1487 out of 1917 nationwide.
- Related: National rankings / All municipalities in Gunma
Earnings in Gunma (群馬県): Average salary in Gunma (群馬県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure